EP2882044A1 - Contact de douille monobloc - Google Patents
Contact de douille monobloc Download PDFInfo
- Publication number
- EP2882044A1 EP2882044A1 EP14195288.7A EP14195288A EP2882044A1 EP 2882044 A1 EP2882044 A1 EP 2882044A1 EP 14195288 A EP14195288 A EP 14195288A EP 2882044 A1 EP2882044 A1 EP 2882044A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- opening
- throat
- socket contact
- bands
- tubular barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000013011 mating Effects 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims 1
- 238000007598 dipping method Methods 0.000 claims 1
- 238000007747 plating Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 7
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49204—Contact or terminal manufacturing
- Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
- Y10T29/49218—Contact or terminal manufacturing by assembling plural parts with deforming
Definitions
- the present disclosure relates to a socket contact for receiving a pin. More particularly, the present disclosure relates to a socket contact made of a single piece for simple manufacturing.
- Socket contacts receive a pin in order to create an electrical connection.
- the socket contact receives and snugly holds the pin to create a reliable connection.
- Socket contacts often utilize a hyperboloid wire cage to receive the pin.
- a hyperboloid wire cage comprises several wires arranged around the diameter in a hyperboloid shape, resembling two cones merged at the tips. When the pin is inserted into the hyperboloid wire cage, the pin slides along the wires, which contact the surface of the pin as well as hold the pin in place.
- the hyperboloid wire cage provides a generally even connection around the pin, and may contact more surface area improving contact density-depending on the number of wires.
- the hyperboloid wire cage may further guide the pin to a proper insertion.
- the hyperboloid wire cage is made from several wires arranged around a ring. Assembling a socket contact with a hyperboloid wire cage requires machining several parts, such as a forward ring, a ferrule, and a tail, and placing wires in specific locations around the forward ring and the tail. The number of pieces needed and the placement of wires require complex assembly requiring specific assembly equipment. The cost to manufacture may be high because of the added requirements. Reducing the number of parts or the complexity of the hyperboloid wire cage may reduce the manufacturing cost while maintaining reliability.
- the present disclosure relates to a socket contact made of one piece.
- One aspect of the present disclosure is to provide a socket contact made of only a single piece, instead of several pieces.
- Another aspect of the present disclosure is to provide a simplified manufacturing process by forming a socket contact from a single piece.
- a socket contact in one implementation, includes a rear tail and a ferrule having an opening configured to receive a pin.
- the opening has an opening diameter.
- the socket contact also includes a plurality of conductive bands connecting the rear tail to the ferrule.
- the conductive bands form a throat opening extending from the opening and tapering to a throat portion having a throat diameter. The throat diameter is smaller than the opening diameter.
- a socket contact for mating with a pin is a tubular barrel having a first end, a second end, a rear tail portion on the first end, and a ferrule portion on the second end.
- the ferrule portion has an opening having an opening diameter and configured to receive the pin.
- a plurality of slots extend between the rear tail portion and the ferrule portion to define a plurality of bands.
- the plurality of bands form a throat opening extending from the opening and tapering to a throat portion having a throat diameter. The throat diameter is smaller than the opening diameter.
- the present disclosure provides a method of fabricating a socket contact for mating with a pin comprising providing a tubular piece having a first end, a second end, and a sidewall, opening a hole in a center of the first end, the hole having an opening diameter, forming a plurality of slots along the sidewall to form a plurality of bands,and reshaping the plurality of bands to form a throat opening tapering to a throat portion having a throat diameter smaller than the opening diameter.
- a socket contact 100 is a single machined piece.
- the single machined piece may be made from metal, such as phosphorus, bronze, beryllium, copper, or other conductive material on a screw machine or other similar apparatus.
- the socket contact 100 includes a rear tail portion 110 at a first end of the socket contact 100 and a ferrule portion 120 at a second or opposite end of the socket contact 100.
- a central axis 105 extends through the center of the socket contact 100, from the first end to the second end.
- the rear tail portion 110 includes a protrusion 112, and one or more protrusions 114.
- the protrusion 114 may be formed at an angle 116, such as 90 degrees, from the rear tail portion 110.
- the protrusion 114 may also have a sloping portion 115 at an angle 118, such as 30 degrees.
- the ferrule portion 120 includes an opening 122, having an opening diameter 126, as seen in FIG. 1C .
- the opening 122 generally extends through the socket contact 100, ending near a hole 117 adjacent the rear tail portion 110.
- a throat portion 130 extends between the rear tail portion 110 and the ferrule portion 120.
- the throat portion 130 includes a plurality of slots 132, which define a plurality of bands 134.
- the throat portion 130 defines a throat opening which is continuous with the opening 122.
- the plurality of bands 134 are arranged radially around the central axis 105.
- the plurality of bands 134 bends slightly inwards towards the central axis 105 near a center or midpoint along the length of the bands 134.
- a throat diameter 136 is the smallest throat opening diameter. As seen in FIG. 1C , the throat diameter 136 is less than the opening diameter 126.
- the bands 134 are also at the angle 106 with respect to the central axis 105. More specifically, if a plane extended out from the central axis 105 to the throat portion 130, the slots 132 and the bands 134 would form the angle 106 with that plane.
- the bands 134 are arranged in a hyperboloid shape resembling a hyperboloid wire cage and function similar to a hyperboloid wire cage in that the bands 134 provide multiple contact points along a mated pin, 360 degrees of contact, as well as mechanical stability.
- the bands 134 are advantageously simpler to manufacture than a hyperboloid wire cage, as will be described below.
- FIGS. 2A and 2B depict views of forming slots in a barrel.
- a tubular barrel 200 corresponds to an unfinished socket contact 100, wherein similarly numbered or named features correspond to the features of the socket contact 100.
- the tubular barrel 200 may have started as a metal rod having a central axis 205, cut to a required length.
- An opening 222 may be drilled through one of the rods, forming the tubular barrel 200.
- a hole 217 may be drilled in a sidewall 219 of the tubular barrel 200.
- the tubular barrel 200 may be placed in a lathe or similar machine to form a rear tail portion 210 having a protrusion 212 and one or more protrusions 214 with sloping portions 215 and a ferrule portion 220.
- a throat portion 230 extends between the rear tail portion 210 and the ferrule portion 220. Unlike the throat portion 130, the throat portion 230 is straight and not bent or curved. Slots 232 define bands 234.
- a saw 202 cuts the tubular barrel 200 along the sidewall 219 to form the slots 232. The slots 232 are cut at an angle 206 with respect to the central axis 205. As seen in FIG. 2B , the saw 202 is tilted with respect to the tubular barrel 200 in order to cut the slots 232 at the angle 206. In other implementations, the angle 206 may be any other needed angle, including 0 degrees, i.e., straight.
- the angle 206 allows the bands 234 to wipe the whole surface of a mating pin as well as wrap around the mating pin, similar to the wires of a hyperboloid wire cage.
- the angle 206 may be up to 10 degrees, depending on the desired wipe action. Steeper angles, including greater than 10 degrees, may provide more engagement.
- the number of slots 232 may also depend on the application. Less slots 232 produce wider or thicker bands 234.
- FIGS. 3A-3C depict a tubular barrel 300, corresponding to an unfinished socket contact 100, specifically after slots have been cut.
- the tubular barrel 300 includes a rear tail portion 310, a ferrule portion 320, and a throat portion 330. Slots 332 define bands 334.
- the tubular barrel 300 corresponds to the tubular barrel 200 after all slots 332 have been cut.
- the throat portion 330 is unbent.
- the tubular barrel 300 has an opening diameter 326, which extends through the throat portion 330. Because the bands 334 are not bent, there is no corresponding throat diameter.
- FIGS. 4A-4C illustrate a roll-forming process according to an implementation.
- the socket contact may be reshaped by other processes.
- FIG. 4A shows a tubular barrel 400, a rod 404, and rollers 402.
- the tubular barrel 400 corresponds to the tubular barrel 300, and includes a rear tail portion 410, a ferrule portion 420, and a throat portion 430 having bands 434.
- the rod 404 is configured to have a diameter corresponding to a desired throat diameter.
- the rod 404 may be staggered or stepped to have two diameters, a smaller diameter corresponding to the desired throat diameter, and a larger diameter corresponding to an opening diameter. In other implementations, the rod 404 may not be used.
- the rod 404 is inserted into the tubular barrel 400.
- the rollers 402 converge on the throat portion 430 to bend the bands 434 by rolling the tubular barrel 400 between the rollers 402.
- FIG. 5A depicts a cross section of a socket contact 500, corresponding to the tubular barrel 400 after being roll-formed, and further corresponding to the socket contact 100.
- the socket contact 500 includes a tail portion 510, a ferrule portion 520, and a throat portion 530 including slots 532 and bands 534.
- the angular slots and roll-forming allows controllable and uniform contact points.
- the bands 534 are bent to a rod 504 having a throat diameter 536 corresponding to the desired throat diameter.
- FIG. 5B depicts a pin 505 having a pin diameter 506 inserted into the socket contact 500.
- the pin diameter 506 may be slightly larger than the throat diameter 536, to ensure good contact between the pin 505 and the bands 534, as well as to provide mechanical support by acting as a spring mechanism.
- the spring geometry of the bands 534 also allows for a generous lead for pin insertion.
- FIG. 6 presents a flowchart 600 of a fabrication process of a socket contact, such as the socket contact 100, according to an implementation of the present disclosure.
- the process is scalable, such that the socket contact 100 may be made smaller or larger as needed.
- the number of slots 132 may be determined by how small the slots 132 can be cut.
- a larger diameter socket contact 100 which may be used in high power applications, may require more slots 132.
- a hole is drilled through the center of a tubular barrel.
- the opening 222 is drilled through the tubular barrel 200.
- slots are formed along a sidewall of the tubular barrel 200. For instance, the slots 232 are cut into the sidewall 219 of the tubular barrel 200.
- the slots may be cut at an angle, as described herein.
- a rod is inserted into the tubular barrel 400.
- FIG. 4B shows the rod 404 inserted into the tubular barrel 400.
- the tubular barrel 400 is roll-formed against the rod 404.
- FIG. 4C the tubular barrel 400 is roll-formed by the rollers 402 against the rod 404.
- the tubular barrel 400 may undergo additional processing, such as being immersed in an acid bath to de-burr the tubular barrel 400, or being plated with a metal or other appropriate material.
- An embodiment provides a one piece socket contact for receiving a pin.
- the socket contact includes a tubular barrel having a rear tail portion, a ferrule portion, and a throat portion.
- the ferrule portion includes an opening with an opening diameter.
- the throat portion has a plurality of slots that define a plurality of bands. The bands are bent inwards to a throat diameter smaller than the opening diameter. The bands are arranged to resemble a hyperboloid wire cage.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/073,758 US9362645B2 (en) | 2013-12-05 | 2013-12-05 | One piece socket contact |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2882044A1 true EP2882044A1 (fr) | 2015-06-10 |
EP2882044B1 EP2882044B1 (fr) | 2021-06-23 |
Family
ID=51987058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14195288.7A Active EP2882044B1 (fr) | 2013-12-05 | 2014-11-27 | Contact de douille monobloc |
Country Status (2)
Country | Link |
---|---|
US (1) | US9362645B2 (fr) |
EP (1) | EP2882044B1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3077166A1 (fr) * | 2018-01-22 | 2019-07-26 | Razvan Ilie | Connecteur electrique a lames conductrices et procede correspondant |
WO2021053334A1 (fr) * | 2019-09-18 | 2021-03-25 | Harwin Plc | Contact électrique et procédé de fabrication |
AT523017A3 (de) * | 2019-09-16 | 2021-12-15 | Technetix Bv | Weibliche Steckerbuchse und zugehöriger Verbinder |
EP3824515A4 (fr) * | 2018-07-17 | 2022-04-06 | Carlisle Interconnect Technologies, Inc. | Ensemble connecteur électrique à grande vitesse |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9362645B2 (en) * | 2013-12-05 | 2016-06-07 | Hypertronics Corporation | One piece socket contact |
CN107768961B (zh) * | 2016-09-06 | 2024-10-15 | 邹刚 | 一种电连接器插孔及其制造方法和电连接器 |
US11342701B2 (en) * | 2018-04-24 | 2022-05-24 | Stäubli Electrical Connectors Ag | Socket body |
GB2576507A (en) * | 2018-08-20 | 2020-02-26 | Technetix Bv | Connector |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1833145A (en) * | 1925-07-07 | 1931-11-24 | Wilhelm Harold Frederick | Connecter |
EP0061587A2 (fr) * | 1981-03-16 | 1982-10-06 | CONNEI S.p.A. | Une douille pour un connecteur électrique et une méthode de fabrication de celle-ci |
US4752253A (en) * | 1986-03-12 | 1988-06-21 | Otto Dunkel Gmbh | Contact element and method of manufacturing |
EP0283768A2 (fr) * | 1987-03-25 | 1988-09-28 | CONNEI S.p.A. | Contact femelle composite |
US20060089058A1 (en) * | 2002-07-31 | 2006-04-27 | Horst Derleth | Method for producing a contact part |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
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US2450529A (en) * | 1945-01-22 | 1948-10-05 | H H Buggie & Company | Method of making electrical socket connections |
US3314044A (en) * | 1964-12-16 | 1967-04-11 | Albert E Powell | Female electrical connectors |
US4128293A (en) * | 1977-11-02 | 1978-12-05 | Akzona Incorporated | Conductive strip |
US4304457A (en) * | 1977-12-27 | 1981-12-08 | Sloan Valve Company | Electrical connector |
FR2415889A1 (fr) * | 1978-01-25 | 1979-08-24 | Bonhomme F R | Perfectionnements apportes aux douilles, pour dispositifs de contact electrique a fiche et douille, et a leurs procedes de fabrication |
US4345373A (en) * | 1978-10-13 | 1982-08-24 | International Telephone And Telegraph Corporation | Method of manufacture of low-cost, high quality low insertion force electrical connector socket |
DE3342742C2 (de) * | 1983-11-25 | 1985-10-24 | Otto Dunkel GmbH Fabrik für elektrotechnische Geräte, 8260 Mühldorf | Verfahren zur Herstellung von Kontaktfederbuchsen |
US4720157A (en) * | 1986-10-30 | 1988-01-19 | General Motors Corporation | Electrical connector having resilient contact means |
US5055055A (en) * | 1990-10-12 | 1991-10-08 | Elcon Products International Company | Circuit board connector system |
US6139374A (en) * | 1995-07-25 | 2000-10-31 | Framatome Connectors Interlock Inc. | Connector assembly |
DE19941515A1 (de) * | 1999-08-31 | 2001-03-01 | Interconnectron Gmbh | Hochstromkontakt |
US6358104B2 (en) * | 2000-01-10 | 2002-03-19 | Delphi Technologies, Inc. | High current terminal |
US6860768B2 (en) * | 2000-09-15 | 2005-03-01 | Alcoa Fujikura Limited | Combination sleeve and spring cage incorporated into a one-piece female terminal for interengaging a corresponding male terminal and method of configuring such a sleeve and spring cage from a blank shape |
US6656002B2 (en) * | 2000-09-15 | 2003-12-02 | Alcoa Fujikura Limited | Electrical terminal socket assembly including T shaped sealed connectors |
US7021963B2 (en) * | 2002-08-15 | 2006-04-04 | 3M Innovative Properties Company | Electrical contact |
JP2007173198A (ja) * | 2005-11-25 | 2007-07-05 | Hitachi Cable Ltd | 電気コンタクト及びメス端子 |
US7931509B2 (en) * | 2009-09-25 | 2011-04-26 | Glen David Shaw | Coaxial fitting contact tube construction |
TWM394399U (en) * | 2010-07-20 | 2010-12-11 | Ks Terminals Inc | Water-proof connector and female terminal therein |
GB2501063B (en) * | 2012-03-22 | 2018-06-06 | Harwin Plc | Electrical contact and method of manufacture |
US9236682B2 (en) * | 2013-02-15 | 2016-01-12 | Lear Corporation | Cylindrical electric connector with biased contact |
US9362645B2 (en) * | 2013-12-05 | 2016-06-07 | Hypertronics Corporation | One piece socket contact |
-
2013
- 2013-12-05 US US14/073,758 patent/US9362645B2/en active Active
-
2014
- 2014-11-27 EP EP14195288.7A patent/EP2882044B1/fr active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1833145A (en) * | 1925-07-07 | 1931-11-24 | Wilhelm Harold Frederick | Connecter |
EP0061587A2 (fr) * | 1981-03-16 | 1982-10-06 | CONNEI S.p.A. | Une douille pour un connecteur électrique et une méthode de fabrication de celle-ci |
US4752253A (en) * | 1986-03-12 | 1988-06-21 | Otto Dunkel Gmbh | Contact element and method of manufacturing |
EP0283768A2 (fr) * | 1987-03-25 | 1988-09-28 | CONNEI S.p.A. | Contact femelle composite |
US20060089058A1 (en) * | 2002-07-31 | 2006-04-27 | Horst Derleth | Method for producing a contact part |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3077166A1 (fr) * | 2018-01-22 | 2019-07-26 | Razvan Ilie | Connecteur electrique a lames conductrices et procede correspondant |
EP3824515A4 (fr) * | 2018-07-17 | 2022-04-06 | Carlisle Interconnect Technologies, Inc. | Ensemble connecteur électrique à grande vitesse |
AT523017A3 (de) * | 2019-09-16 | 2021-12-15 | Technetix Bv | Weibliche Steckerbuchse und zugehöriger Verbinder |
AT523017B1 (de) * | 2019-09-16 | 2023-05-15 | Technetix Bv | Weibliche Steckerbuchse und zugehöriger Verbinder |
WO2021053334A1 (fr) * | 2019-09-18 | 2021-03-25 | Harwin Plc | Contact électrique et procédé de fabrication |
Also Published As
Publication number | Publication date |
---|---|
US9362645B2 (en) | 2016-06-07 |
US20150162687A1 (en) | 2015-06-11 |
EP2882044B1 (fr) | 2021-06-23 |
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